<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<center>
<table border="3">
    <tr><!--table row表示行  table data表示列-->
        <td colspan="2" align="center">1-1</td>
        <td>1-3</td>
        <td rowspan="2">1-4</td>
    </tr>
    <tr>
        <td>2-1</td>
        <td>2-2</td>
        <td>2-3</td>
    </tr>
    <tr>
        <td colspan="4" align="center">3-1</td>
    </tr>
</table>

    <table border="3">
        <tr>
            <td colspan="2" align="center">1-1</td>
            <td rowspan="2">1-3</td>
        </tr>
        <tr>
            <td rowspan="2">2-1</td>
            <td>2-2</td>
        </tr>
        <tr>
            <td colspan="2" align="center">3-2</td>
        </tr>
    </table>
    <table border="3">
        <caption>购物车</caption>
        <tr>
            <th>编号</th><th>商品名</th><th>价格</th>
        </tr>
        <tr>
            <td align="center">1</td><td>大米12 pro</td><td>8000</td>
        </tr>
        <tr>
            <td align="center">2</td><td>华为12 pro</td><td>4000</td>
        </tr>
        <tr>
            <td>总价：</td><td colspan="2" align="center">12000元</td>
        </tr>
    </table>
</center>
</body>
</html>